CN213082322U

CN213082322U - Sectional punch forming die frame and die for plastic sucking tray

Info

Publication number: CN213082322U
Application number: CN202021331933.6U
Authority: CN
Inventors: 吴风毅; 彭桂清; 熊龙钦
Original assignee: Jifu Xingye Plastics Huai'an Co ltd
Current assignee: Jifu Xingye Plastics Huai'an Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-04-30
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a segmentation stamping forming die carrier and mould of blister tray, which comprises a frame, a stamping component, a guide rod guide sleeve component and a stamping male die female die component, wherein the stamping component comprises a hydraulic cylinder and a pressing plate, the pressing plate carries out stamping operation on the stamping male die female die component, the guide rod guide sleeve component is matched and positioned with four corners of the stamping male die female die component, the stamping male die female die component comprises a shallow slot male die, a deep slot male die, a male die holder and a female die holder, the die carrier designs the integral male die of a blister tray product to be stamped into two layers, an inner-outer stepped stamping male die is formed by the up-and-down matching of the guide rod guide sleeve component, the twice staged stamping blister forming process is utilized, after the hot melt softened sheet material is subjected to the first shallow slot male die stamping blister forming, the deep slot male die is continuously matched to carry out the second deep slot stamping blister, avoid the product to form the deformation of internal contraction and break because of expending with heat and contracting with cold, the yields is higher.

Description

Sectional punch forming die frame and die for plastic sucking tray

Technical Field

The utility model relates to a plastic uptake production facility technical field, concretely relates to segmentation stamping forming die carrier and mould of plastic uptake tray.

Background

The production and preparation process of the plastic tray is gradually refined and efficient, the processes of automatic feeding, hot melting softening, punch forming, cooling shaping, cutting blanking and the like can be conveniently carried out by matching with automatic equipment, the company can cooperate with customers to produce the plastic tray products, and after the processes of hot melting softening, punch forming, cooling shaping, cutting blanking and the like are carried out on raw material feeding, the basically formed plastic tray products are obtained and are used for carrying and boxing for transportation. However, in the design drawing of the blister tray product provided by customers, we find that a special processing structure required by the product, such as a special processing structure with a stepped deep groove material carrying groove, is difficult to ensure that the formed plastic plate is not deformed or is broken and damaged after being formed by one-time stamping and blister, particularly during the period from hot melting softening to cooling forming, the stepped deep groove material carrying groove is easy to form a groove which contracts inwards due to the principle of expansion and contraction of heat, and because the groove is deeper, the deep groove part is easy to be stretched firstly due to one-time stamping and blister, and is subjected to secondary stretching deformation by the shallow groove part after being formed, at the moment, the irreversible damage problem that the plate is broken due to stretching transition occurs, and leakage holes can occur during cooling forming to form bad products, so as to solve the efficient production of the blister tray products with deep groove structures and ensure high yield, the special segmented punch forming die set for the product production needs to be designed for the product, and the segmented punch forming die set is matched with the segmented punch male die to punch and blister the plate, so that the internal stress of the plate, which is caused by expansion with heat and contraction with cold, and the fracture and damage caused by too fast contraction can be greatly improved.

Disclosure of Invention

The utility model discloses the purpose: in order to solve the problems in the background art, a segmented punch forming die set and a die of a plastic tray are designed, the integral male die of the plastic tray product to be subjected to punch forming is designed to be two-layer, an inner-outer stepped type stamping male die is formed by vertically matching a guide rod guide sleeve assembly, a secondary staged stamping plastic-sucking forming process is utilized, a plate softened by hot melting is subjected to stamping plastic-sucking forming through a first shallow groove male die, then a deep groove male die is continuously matched for secondary stamping plastic-sucking forming, subsequent cooling and shaping treatment is carried out, the plastic tray product with a deep groove structure is ensured to be accurately formed, deformation and breakage caused by shrinkage due to thermal expansion and cold contraction of the product are avoided, the yield is high, and the plastic tray is.

The technical scheme adopted for solving the problems is as follows:

a sectional punch forming die carrier and a die of a plastic uptake tray comprise a frame, a punching component, a guide rod guide sleeve component and a punching male die and female die component,

the stamping assembly comprises a hydraulic cylinder fixed on the top plate of the frame and a pressing plate fixedly connected with a hydraulic rod of the hydraulic cylinder, the pressing plate carries out stamping operation on the stamping male die and female die assembly,

the guide rod and guide sleeve components are fixed on two sides of the frame and are matched and positioned with four corners of the punching male die and female die components,

the stamping male die and female die component comprises a shallow groove male die, a deep groove male die, a male die holder and a female die holder, wherein the shallow groove male die is arranged between the deep groove male die and the female die holder, four corners of the shallow groove male die are fixedly connected with a lower guide sleeve, and the shallow groove male die slides up and down after being matched with a shaft hole of a guide rod guide sleeve, shallow groove lugs are uniformly arranged in the shallow groove male die in an array manner, correspond to shallow groove cavities arranged at positions corresponding to the female die holder and are used for stamping a plate material softened by heating into a required groove shape, through holes are also arranged in the shallow groove lugs, the shape of the through holes is the same as that of the deep grooves, deep groove lugs arranged at positions right opposite to the deep groove male die are used for avoiding stamping paths, the upper end face of the deep groove male die is fixedly connected with the male die holder, the male die holder is pressed against the male die holder after being fixedly, and four corners of the convex die holder are fixedly connected with upper guide sleeves, and the upper guide sleeves and the lower guide sleeves slide up and down after being matched with shaft holes of the guide rods and the guide sleeves.

Furthermore, the edge of the shallow groove male die is also provided with an arc edge groove for punch forming of the plastic suction plate, the arc edge groove is matched with an arc edge convex block arranged at a position corresponding to the female die holder, and the periphery of the material carrying groove of the plate is punched into an arc edge shape and is shaped.

Furthermore, a stamping spring is sleeved on a guide rod section between the convex die holder and the shallow groove male die, in the process that the hydraulic rod presses the convex die holder downwards, the shallow groove male die is firstly contacted with the heated and softened sheet material by the stamping spring and is matched with the concave die holder to carry out first shallow groove stamping until the hydraulic rod enables the deep groove male die to be attached to the shallow groove male die, and the deep groove male die is stamped with the sheet material for the second time after penetrating through a through hole formed in the shallow groove convex block until the blister tray is completely formed.

Further, the thickness of the deep groove lug is the sum of the actual deep groove depth of the blister tray product to be subjected to punch forming and the thickness of the shallow groove male die.

Furthermore, pressure maintaining springs are further sleeved at four corners of the lower end face of the die holder and at the matching sections of the guide rods and are used for maintaining pressure and shaping after two times of stamping and positioning.

The utility model has the advantages that:

this blister supporting plate's segmentation stamping forming die carrier and mould will treat that the whole terrace die of stamping forming's blister supporting plate product designs into two-layerly, cooperate the inside and outside cascaded punching press terrace die of constitution from top to bottom through guide arm guide pin bushing subassembly, utilize twice stage punching press blister forming technology, after the sheet material with the hot melt is softened through first shallow slot terrace die punching blister forming, cooperate the deep groove terrace die again in succession to carry out the second time deep groove punching press blister forming, and carry out follow-up cooling design and handle, guarantee the blister supporting plate product shaping accuracy of deep groove structure, the deformation of avoiding the product to form the internal shrinkage because of expend with heat and contract with cold is broken, the yields is higher, and.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

Fig. 1 is a schematic structural view of the blister tray according to the present embodiment;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic structural view of a segmented punch forming die set and a die of the blister tray according to the embodiment;

FIG. 4 is a schematic structural view of a shallow-grooved male die according to this embodiment;

FIG. 5 is a schematic structural view of a deep groove punch according to the present embodiment;

FIG. 6 is a bottom view of the deep groove punch of the present embodiment;

FIG. 7 is a schematic structural view of the female mold base according to the present embodiment;

FIG. 8 is a top view of the die holder of the present embodiment;

the plastic packaging device comprises a plastic suction tray 1, a plastic carrying groove 2, a shallow groove 3, a deep groove 4, a shallow groove male die 5, a shallow groove convex block 6, a deep groove male die 7, a deep groove convex block 8, a middle deep groove convex block 9, a cylindrical deep groove convex block 10, a die holder 10, an arc edge 11, a shallow groove cavity 12, a deep groove cavity 13, a frame 14, a guide rod fixing seat 15, a pressing plate 16, a die holder 17, a stamping spring 18, a heat-softened plate 19, a guide rod 20, a pressure maintaining guide sleeve 21, an upper guide sleeve 22, a positioning nut 23, a frame top plate 24, a hydraulic rod 25, a hydraulic cylinder 26 and a pressure maintaining spring 27.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-8, the present embodiment provides a segmented punch forming mold frame for a blister tray 1, which includes a frame 14, a punching assembly, a guide rod 20, a guide sleeve assembly, and a punching male mold and female mold assembly.

Specifically, the stamping assembly comprises a hydraulic cylinder 26 fixed on a top plate 24 of the frame and a pressing plate 16 fixedly connected with a hydraulic rod 25 of the hydraulic cylinder 26, the pressing plate 16 performs stamping operation on the stamping male die and female die assembly, and the guide rod 20 and guide sleeve assemblies are fixed on two sides of the frame 14 and are matched and positioned with four corners of the stamping male die and female die assembly.

The stamping male die and female die component comprises a shallow groove male die 5, a deep groove male die 7, a male die holder 17 and a female die holder 10, wherein the shallow groove male die 5 is arranged between the deep groove male die 7 and the female die holder 10, four corners of the shallow groove male die are fixedly connected with a lower guide sleeve 21, and the shallow groove male die is matched with a guide rod 20 and a guide sleeve shaft hole to slide up and down, shallow groove lugs 6 are uniformly arranged in the shallow groove male die 5 in an array mode, correspond to shallow groove cavities 12 arranged at positions corresponding to the female die holder 10 and are used for stamping a plate 19 softened by heating into a required groove shape, through holes are also arranged in the shallow groove lugs 5, the shape of each through hole is the same as that of a deep groove 4 and are used for stamping and avoiding paths of deep groove lugs (8 and 9) arranged at positions opposite to the deep groove male die 7, the male die holder 17 is fixedly connected to the male die holder 17, the male die holder 17 is pressed after the male die holder, 9) The deep groove cavity 13 corresponding to the concave die holder 10 is provided with a corresponding position, four corners of the convex die holder 17 are fixedly connected with upper guide sleeves 22, and the upper guide sleeves and the guide sleeves slide up and down after being matched with shaft holes of the guide rods 20 and the guide sleeves.

The further implementation scheme is that the edge of the shallow groove male die 5 is also provided with a groove with an arc edge 11 for punch forming of the blister sheet, the groove is matched with a convex block with the arc edge 11 arranged at the corresponding position of the die holder 10, and the periphery of the material carrying groove 2 of the sheet 19 is punched into the shape of the arc edge 11 and is shaped.

A further embodiment is that a stamping spring 18 is sleeved on a guide rod section between the male die holder 17 and the shallow groove male die 5, in the process that the hydraulic rod 25 presses the male die holder 17 downwards, the stamping spring 18 firstly contacts the shallow groove male die 5 with the heated and softened sheet material 19, and is matched with the female die holder 10 to perform first shallow groove 3 stamping until the hydraulic rod 25 attaches the deep groove male die 7 to the shallow groove male die 5, and the deep groove bumps (8, 9) are stamped with the sheet material for the second time after penetrating through holes formed in the shallow groove bumps 6 until the blister tray 1 is completely formed.

The further implementation scheme is that the thickness of the deep groove convex blocks (8 and 9) is the sum of the actual deep groove depth of the blister tray 1 product to be subjected to punch forming and the thickness of the shallow groove male die 5.

In a further embodiment, pressure maintaining springs 27 are further sleeved at the sections, matched with the guide rods 20, of the four corners of the lower end surface of the die holder 10, and are used for maintaining pressure and shaping after two stamping and positioning.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes, modifications, substitutions and alterations can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a segmentation stamping forming die carrier and mould of plastic uptake tray, includes frame, punching press subassembly, guide arm guide pin bushing assembly and punching press terrace die subassembly, its characterized in that:

2. The sectional punch forming die set and the die of the blister tray according to claim 1, wherein: the edge of the shallow groove male die is also provided with an arc edge groove for punch forming of the plastic suction plate, the arc edge groove is matched with an arc edge convex block arranged at a corresponding position of the female die holder, and the periphery of the material carrying groove of the plate is punched into an arc edge shape and is shaped.

3. The sectional punch forming die set and the die of the blister tray according to claim 1, wherein: and a stamping spring is sleeved on a guide rod section between the convex die holder and the shallow groove male die, and in the process that the hydraulic rod presses the convex die holder downwards, the shallow groove male die is firstly contacted with the heated and softened sheet material by the stamping spring and is matched with the concave die holder to carry out first shallow groove stamping until the hydraulic rod attaches the deep groove male die and the shallow groove male die, and the deep groove male die is stamped with the sheet material for the second time after penetrating through a through hole formed in the shallow groove convex block until the plastic sucking tray is completely formed.

4. The sectional stamping forming die set and the die of the blister tray according to claim 3, wherein: the thickness of the deep groove lug is the sum of the actual deep groove depth of the blister tray product to be subjected to punch forming and the thickness of the shallow groove male die.

5. The sectional punch forming die set and the die of the blister tray according to claim 1, wherein: and pressure maintaining springs are sleeved at the four corners of the lower end surface of the concave die holder and the matching sections of the guide rods.